UL40 – Non-Contact Ultrasonic Level Sensor for Open Channels
The UL40 Ultrasonic Level Sensor provides accurate, non-contact measurement of liquid levels in tanks, open channels, rivers, and lakes. With a split LED display and measurement ranges up to 70 m, it is ideal for industrial and municipal applications.
Typical Applications:
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Tank level monitoring
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Open channel and flow measurement
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River and lake level monitoring
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Wastewater treatment
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Water and wastewater utilities
Description
The UL40 is a non-contact ultrasonic level sensor equipped with a split LED display and advanced SMD/ASIC technology.
It delivers precise and reliable measurements in challenging environments without any direct contact with the liquid. The split-design allows easy installation and convenient on-site monitoring.
With automatic temperature compensation, the UL40 ensures stable readings even under fluctuating environmental conditions. Its durable housing makes it especially suitable for open channel flow, river and lake monitoring, as well as industrial and municipal tanks.
Features
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Split LED display for easy on-site reading
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Measurement range up to 70 m
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Non-contact ultrasonic measurement
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Robust NLEPE housing, IP66 protection
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Automatic temperature compensation
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Fast response time (<200 ms)
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High-quality terminals for stable, interference-free signals
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Ideal for open channels, rivers, lakes, and tanks
Specification
| Range | 5m,10m,15m,20m,30m,40m,50m,60m,70m |
| Accuracy | 0.25%-0.5% |
| Analog Output | 4～20mA/510Ωload |
| Relay Output | Two groups for single channel
Four groups for double channels AC 250V/ 8A or DC 30V/ 5A Status can be programmed |
| Power supply | Standard:220V AC+15% 50Hz
Optional:24VDC or 120mA Customized:12VDC or battery |
| Environment
Temperature |
LED : -20～+60℃,
Probe : 20～+80℃ |
| Communication | Option:485,232 Communication
(manufactures agreement) |
| Protection Grade | LED: IP65,
Probe: IP68 |
| Cable Probe | standard:10m; 100mmax |
FAQ
1. Where can the UL40 be used?
It is designed for tanks, open channels, rivers, lakes, and wastewater facilities in industrial and environmental applications.
2. What is the advantage of the split LED display?
The split display provides clear level readings and allows easy local monitoring at the installation site.
3. What types of liquids can the UL40 measure?
It can reliably measure water, wastewater, slurries, and other liquids without direct contact.
4. Does the sensor require regular maintenance?
No – the non-contact ultrasonic technology minimizes wear and reduces maintenance requirements.
5. How fast does the UL40 respond?
It provides readings in less than 200 ms, ensuring fast updates even with dynamic liquid levels.
Datasheet
UL40 Non Contact Type Level Measurement Datasheet
